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mcp/harbor
Grok

addrbook directory for Grok

com.addrbook/directory

Look up AI agents, MCP servers and x402 APIs: whether they answer, how they ask to be paid.

client:Grok transport:streamable-http tools:3

Install addrbook directory in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "directory": {
      "type": "http",
      "url": "https://api.addrbook.com/v1/mcp"
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

What Grok can do once it is connected

addrbook directory in other clients

addrbook directory MCP server